Canadian Solar (CSIQ) director amends Form 3 to add 23,028 shares

Rhea-AI Filing Summary

Canadian Solar Inc. director Lauren C. Templeton filed an amended Form 3 to correct her initial beneficial ownership report. The amendment shows she holds 23,028 common shares directly. According to the footnote, these common shares were inadvertently omitted from her original Form 3, and no new transaction is reported here.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Templeton Lauren C

Role Director

Type	Security	Shares	Price	Value
holding	Common Share	--	--	--

Holdings After Transaction: Common Share — 23,028 shares (Direct)

Footnotes (1)

1. [object Object]

Key Figures

Common shares held: 23,028 shares Holding entries: 1 entry Unknown transaction records: 1 record

3 metrics

Common shares held 23,028 shares Direct beneficial ownership reported in Form 3/A

Holding entries 1 entry Single holding line for common shares in the filing

Unknown transaction records 1 record Classified as holding with unknown transaction code

Key Terms

Form 3, Form 3/A, beneficial ownership

3 terms

Form 3 regulatory

"The common shares were inadvertently omitted from the reporting person's original Form 3."

Form 3 is the initial public filing that officers, directors and large shareholders must submit to report their ownership of a company’s securities when they become insiders. It acts like an opening inventory sheet that gives investors a starting point to see who holds significant stakes and to spot later trades or potential conflicts of interest, helping assess insider confidence and transparency.

Form 3/A regulatory

"The Form 3/A corrects the initial beneficial ownership report for the director."

An amended Form 3 (Form 3/A) is a corrected or updated disclosure filed with regulators that revises an insider’s initial report of their ownership in a public company — typically for officers, directors or large shareholders. Investors use it like a corrected inventory list: it clarifies who owns how many shares and whether earlier reports had errors, helping assess insider confidence, possible conflicts and the accuracy of ownership records that can affect stock valuation and trust.

beneficial ownership financial

"The amendment updates her disclosed beneficial ownership as a company director."

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

Understanding Insider Trading Forms →

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Templeton Lauren C

(Last) (First) (Middle)

C/O CANADIAN SOLAR INC.

4273 KING STREET EAST, SUITE 102

(Street)

KITCHENER N2P 2E9

(City) (State) (Zip)

ONTARIO, CANADA

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026

3. Issuer Name and Ticker or Trading Symbol
Canadian Solar Inc. [ CSIQ ]

3a. Foreign Trading Symbol

5. If Amendment, Date of Original Filed (Month/Day/Year)
03/18/2026

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Share	23,028(1)	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The common shares were inadvertently omitted from the reporting person's original Form 3.

	/s/ Lauren C. Templeton	04/06/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)

FAQ

What does the Canadian Solar (CSIQ) Form 3/A filed by Lauren Templeton report?

The Form 3/A reports Lauren C. Templeton’s corrected holdings of 23,028 Canadian Solar common shares. It amends her original Form 3 to include shares that were previously omitted, updating her disclosed beneficial ownership as a company director.

Did Lauren Templeton buy or sell Canadian Solar (CSIQ) shares in this Form 3/A?

No, the Form 3/A does not show any buy or sell transaction. It simply corrects her initial Form 3 by adding 23,028 common shares that were inadvertently omitted, so it reflects existing holdings rather than new trades.

How many Canadian Solar (CSIQ) shares does Lauren Templeton report holding?

Lauren C. Templeton reports holding 23,028 common shares of Canadian Solar Inc. The filing classifies these as directly owned shares, updating her beneficial ownership position as a director after the earlier omission in the original Form 3.

Why was a Form 3/A amendment necessary for Canadian Solar (CSIQ)?

The amendment was necessary because common shares were inadvertently omitted from Lauren C. Templeton’s original Form 3. The Form 3/A corrects this oversight by adding 23,028 common shares to her reported direct holdings as a director.

Does this Canadian Solar (CSIQ) Form 3/A change Lauren Templeton’s insider status?

No, the Form 3/A does not change her insider status. She remains a director of Canadian Solar Inc.; the amendment simply updates her disclosed beneficial ownership to include 23,028 common shares that were previously left out.